Home / 242,840-361,769

Finding the Third Proportional to 242,840 and 361,769

Calculator

Solution

The third proportional to 242,840 and 361,769 is: 538,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,840 : 361,769 = 361,769 : x
  2. Step 2: Convert to fraction form
    242,840/361,769 = 361,769/x
  3. Step 3: Cross multiply
    242,840x = 361,769 × 361,769
  4. Step 4: Simplify right side
    242,840x = 130,876,809,361
  5. Step 5: Solve for x
    x = 130,876,809,361/242,840
  6. Step 6: Final answer
    x = 538,942.55

Related Problems

Find third proportional to 121,420 and 180,884.50
Half scale
Find third proportional to 485,680 and 723,538
Double scale
Find third proportional to 242,842 and 361,772
Similar ratio
Find third proportional to 364,260 and 542,653.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.